function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function imagePopup(imageName,imageWidth,imageHeight,alt, bScrollBar) {
FixedWidth = imageWidth - 10;
FixedHeight = imageHeight - 88;
newWindow = window.open('','newWindow','width='+imageWidth+',height='+imageHeight+',scrollbars='+bScrollBar+',resizable=yes,left='+((window.screen.availWidth-imageWidth)/2)+',top='+((window.screen.availHeight-imageHeight)/2));
newWindow.document.open();
newWindow.document.write('<html><head><title>'+alt+'</title><link href=\"res/stylesheet.css\" rel=\"stylesheet\" type=\"text/css\"></head><body bgcolor="#FFFFFF" leftmargin="4" topmargin="4" marginheight="4" marginwidth="4" onBlur="self.close()">');
newWindow.document.write('<img class=\"gallery\" src=\"'+imageName+'\" alt=\"'+alt+'\" width=\"'+FixedWidth+'\" height=\"'+FixedHeight+'\">');
newWindow.document.write('<p align=\"center\"><span class=\"gallery\"><b>'+alt+'</b></span></p>');
newWindow.document.write('<p align=\"center\"><a class=\"gallery\" href=\"javascript:window.close();\" title=\"Klik hier om dit venster te sluiten...\">Klik hier om dit venster te sluiten...</a></p>');
newWindow.document.write('</body></html>');
newWindow.document.close();
newWindow.focus();
}

function CheckEmailValidation(checkString)
	{
	  var newstr = "";
	  var at = false;
	  var dot = false;

	  if (checkString.value == "")
		{
 		  at = true;
		} 
	if (checkString.indexOf("@") != -1)
		{
		  at = true;
		} 
	if (checkString.indexOf(".") != -1)
		{
		  dot = true;
		}

	for (var i = 0; i < checkString.length; i++)
		{
		  ch = checkString.substring(i, i + 1)

		  if ((ch >= "A" && ch <= "Z") || (ch >= "a" && ch <= "z") || (ch == "@") || (ch == ".") || (ch == "_") || (ch == "-") || (ch >= "0" && ch <= "9"))
			{
			  newstr += ch;
		                if (ch == "@")
				{
		              	  at=true;
		             		}
		                if (ch == ".")
				{
		              	  dot=true;
		              	}
			}
		}

	if ((at != true) && (dot != true) || (at == true) && (dot != true) || (at != true) && (dot == true))
		{
		  alert ("Het gegeven e-mail adres is ongeldig.");
		  document.forms[0].email.focus();
		  return false;
		}
	else return true;
}

function submitform() {
	sErrors = '';
	for(var i=0; i<document.forms["neosense_formulier"].length; i++) {
		if(document.forms["neosense_formulier"].elements[i].name.indexOf("*") != -1 && document.forms["neosense_formulier"].elements[i].value == '') {			
			sErrors = sErrors + '\n- ' + document.forms["neosense_formulier"].elements[i].name.replace("*", '');
		}
		else if(document.forms["neosense_formulier"].elements[i].name.indexOf("*") != -1 && document.forms["neosense_formulier"].elements[i].name.replace("*", '') == 'emailadres') {
			CheckEmailValidation(document.forms["neosense_formulier"].elements[i].value);
		}
	}
	if(sErrors == '') document.forms["neosense_formulier"].submit();
	else {
	sErrors = 'De volgende veld(en) zijn verplicht om in te vullen:    \n' + sErrors;
	alert(sErrors);
	return false;
	}
}
